What exactly is Sampras Using?

I have heard that Sampras has moved on to the Babolat Pure Storm Tour after using various models of the Legendary Pro Staff over the years. However, in MSG, when Sampras played against Agassi, he certainly wasn't using a pure storm. What I would like to know is whether Sampras has indeed switched to Babolat or is still using the Pro Staff.

I have heard that Sampras has moved on to the Babolat Pure Storm Tour after using various models of the Legendary Pro Staff over the years. However, in MSG, when Sampras played against Agassi, he certainly wasn't using a pure storm. What I would like to know is whether Sampras has indeed switched to Babolat or is still using the Pro Staff.

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At MSG when Sampras played Agassi it was a blacked out Babolat Pure Storm Tour.